JACK MACKEREL FISHERIES
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“Jack mackerel stock assessment methods workshop” SPFRMO, Lima 04 – 08 May 2009 PowerPoint PPT Presentation


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JACK MACKEREL FISHERIES (Trachurus murphyi) ON PERUVIAN SEA. “Jack mackerel stock assessment methods workshop” SPFRMO, Lima 04 – 08 May 2009. ECUADOR. PACIFICO SUD ORIENTAL. PESQUERIA PERUANA. Pesquería Perú. Pesquería Norte-Chile. Pesquería Coquimbo. Pesquería Internacional.

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“Jack mackerel stock assessment methods workshop” SPFRMO, Lima 04 – 08 May 2009

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Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

JACK MACKEREL FISHERIES (Trachurus murphyi)

ON PERUVIAN SEA

“Jack mackerel stock assessment methods workshop”

SPFRMO, Lima 04 – 08 May 2009


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

ECUADOR

PACIFICO

SUD ORIENTAL

PESQUERIA

PERUANA

Pesquería

Perú

Pesquería

Norte-Chile

Pesquería

Coquimbo

Pesquería

Internacional

Pesquería

Sur-Chile

IMARPE, 2006

Distribución de la Especie

Localización de las pesquerías

Limite de las 200 millas

Distribución y localización de las principales áreas de pesca de jurel en el Pacifico Sur (Serra, 1991)

Introduction:

  • Jack mackerel is widespread in the

  • South Pacific Ocean

  • In Peru, jack mackerel is found along of all the coast

  • and it has been recorded to 200 – 350 nm.

  • According to landings of IMARPE (2006), jack mackerel

  • represented the third most important resource in the fishery


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

Daily sampling covers all the landing points, and 10% of the active fishing

fleet, at least.


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

Pelagic

Resources

Acoustic

Direct

Methods

Eggs

Production

Anchovy

& Sardine

Swept

Area

Hake

& Demersal

Anchovy,

& Jack Mackerel

VPA

Indirect

Methods

Relative

Abundance

Index (CPUE)

Anchovy

Jack mackerel

FISHERIES RESOURCES ASSESSMENT

Behavior of anchovy schools

Biological

Processes

Research

Anchovy recruitment

Abundance

labels

Invertebrates

Marine Coastal

Natural Areas

Assessment

Natural areas

characteristics


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

BIOMASS

ASSESSMENTS*

SCIENTIFIC CRUISSES:

Hydroacoustics (2)

COOPERATION OF INDUSTRIAL FLEET:

EUREKA Operations

POPULATION DYNAMICS:

VPA (Mathematical method)

* On yearly base


Jack mackerel annual landings in peru from 1960 to 2008

JACK MACKEREL ANNUAL LANDINGS IN PERU FROM 1960 TO 2008


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

MAIN LANDING PORTS IN PERU

2002 - 2008

1985-2001


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

FISHING AREAS AND SIZE STRUCTURE OF JUREL (January – Febrary 2009)


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

SEASONALITY OF JUREL LANDINGS IN PERU

(1986 - 2008)


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

Scenario1

Scenario 2

2001

1996

1997

2000

2002

2003

2004

2005

2006

2007

1998

1999

v

v

250

20

70

60

D.C (nm):

150

160

20

10

130

10

200

20

70

10

170

20

170

20

140

20

250

20

60

10

Changes in the distribution of jack mckerel

Purse seine fleet – fishing sets

“"disappeared" of the north zone

Adults

Juveniles

Acoustic survey


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

DATA INVENTORY FOR JACK MACKEREL OFF PERU - STOCK ASSEESSMENT


Jack mackerel stock assessment methods workshop spfrmo lima 04 08 may 2009

JACK MACKEREL FISHERIES (Trachurus murphyi)

ON PERUVIAN SEA

“Jack mackerel stock assessment methods workshop”

SPFRMO, Lima 04 – 08 May 2009


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